Actually Invented Here

on YouTube ↗25m

" summary

Argues for rebuilding key pieces instead of blind dependence on gems, showing concrete pain: 13 gems -> 61 libraries (≈3.7 deps per gem) and a custom tool wrote lockparts to inspect version bloat, a 21s bootstrap precompile hit, replacing a SOAP gem by composing wasabi nokogiri openssl to sign requests, and a built 27-line gateway that talks to any payment provider. Lays out four rules: know why, read the source, timebox a spike, and wrap third‑party tech with a small API.

AI-written summary · about

" chapters (10)

1. 0:00Introduction and philosophy
2. 1:50The problem with frameworks
3. 4:37Dependency hell and costs
4. 6:44Authentication case study
5. 8:58Managing energy and frustration
6. 10:26Control and design
7. 12:13Performance and reputation
8. 13:58Stability and risk mitigation
9. 15:58Restoring developer dignity
10. 17:39Rules for better software

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